package com.ego.dao;

import com.ego.vo.CartListVo;

/**
 * @author 袁梦达 2019012364
 */
public interface CartDao {
    boolean addProduct(String userNumber, Integer productId);
    CartListVo showCart(String userNumber);
    boolean removeProduct(String userNumber, Integer productId);
    Integer getCartByUserNumber(String userNumber);
}
